Implement equality checks for providers

src/NzbDrone.Core/Download/Clients/DownloadClientSettingsBase.cs

@@ -0,0 +1,30 @@
+using System;
+using Equ;
+using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
+
+namespace NzbDrone.Core.Download.Clients
+{
+    public abstract class DownloadClientSettingsBase<TSettings> : IProviderConfig, IEquatable<TSettings>
+        where TSettings : DownloadClientSettingsBase<TSettings>
+    {
+        private static readonly MemberwiseEqualityComparer<TSettings> Comparer = MemberwiseEqualityComparer<TSettings>.ByProperties;
+
+        public abstract NzbDroneValidationResult Validate();
+
+        public bool Equals(TSettings other)
+        {
+            return Comparer.Equals(this as TSettings, other);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return Equals(obj as TSettings);
+        }
+
+        public override int GetHashCode()
+        {
+            return Comparer.GetHashCode(this as TSettings);
+        }
+    }
+}